Linked Questions

15 votes
1 answer
3k views

How do Voyager 1's Trajectory Control Thrusters differ from its Attitude Control Thrusters?

There are several popular news items about the recent test of Voyager 1's Trajectory Control Thrusters to see if they can be used for attitude control to facilitate communication with Earth. The ...
uhoh's user avatar
  • 149k
15 votes
3 answers
2k views

Cubesats in lunar orbit and beyond - how does communication work?

Somewhere I read that there are serious plans to send a cubesat into lunar orbit. A few years ago, the ISS was also offering a launch opportunity for such a mission. I guess that it was actually ...
s-m-e's user avatar
  • 6,461
9 votes
2 answers
2k views

Could a cubesat propel itself to Mars?

I wrote the answer below to the question Could a cubesat be propelled to the moon? before realizing that it said Moon and I'd written it for Mars, so I've cloned that question and moved the answer ...
uhoh's user avatar
  • 149k
10 votes
2 answers
823 views

How does the pattern on the MarCo cubesat's antenna boost data-transmission?

I was looking at a few posts that uhoh had made about the MarCo cubesat. One of the pictures was the one that I've posted below: Source The most I can gather from casual NASA articles is along the ...
Magic Octopus Urn's user avatar
15 votes
1 answer
1k views

How do probes locate themselves?

There's no way for any probe that is sent to orbit/land on a distant body to get there only on precalculated flight parameters alone - minuscule errors in the beginning of flight would convert to huge ...
SF.'s user avatar
  • 55k
4 votes
3 answers
798 views

Where is the camera on the MarCo cubesat that took this "pale blue dot" type of photo of the Earth and the Moon?

Where is the camera on the MarCo cubesat that took this "pale blue dot" type of photo of the Earth and the Moon? Is there an official NASA web site for photos from the MarCo cube sats? This one is ...
uhoh's user avatar
  • 149k
5 votes
2 answers
686 views

Why would InSight's arrival date at Mars be fixed, and independent of the launch date?

Despite the 34 day long launch window, the day that InSight will arrive has already been chosen. See mars.nasa.gov's insight mission timeline below, a site I found linked in this answer. I'm not ...
uhoh's user avatar
  • 149k
6 votes
2 answers
783 views

Will Perseverance's landing be live streamed?

I know that the launch will be live streamed, but I am interested in the landing. Is there a plan to make it possible for the general public to get access to landing video as soon as mission control? ...
zabop's user avatar
  • 686
4 votes
1 answer
307 views

MarCo, Polo? Any further news, or images, or transmissions from the MarCo deep space cubesats?

Edit: Two more months have gone by since I posted this question. Can there still be no news? Nothing for the two MarCo cubesats to take photos of; not even each other? While InSight is still "...
uhoh's user avatar
  • 149k
0 votes
2 answers
1k views

What are the absolute maximum dimensions of a proper 6U cubesat? Does ASTERIA comply?

At one point there were formal specifications for cubesat dimensions. I know it's a bit larger than precisely $10m \times 10n \times 10$ centimeters, where $m=1, 2$ and $n=1, 2, 3$ but I am not sure ...
uhoh's user avatar
  • 149k
6 votes
1 answer
488 views

What stole the INSPIRE cubesat launch opportunity, and will there be another?

Doing research for this answer about interplanetary cubesats, I watched the NASA Jet Propulsion Laboratory YouTube channel video CubeSats (live public talk) of a talk by Dr. Andrew Klesh, Chief ...
uhoh's user avatar
  • 149k
2 votes
3 answers
174 views

Closest distance at which cubesat (or comparable smallsat) has communicated with the Deep Space Network or any large 10+ meter dish? Cis-lunar ever?

Discussion below Will future deep space optical communications "ground stations" actually be in space, or on the ground? has got me wondering about the improbable situation where a giant ...
uhoh's user avatar
  • 149k
6 votes
1 answer
433 views

Can we go anywhere in space with only THREE reaction wheels and ONE chemical thruster?

I had a discussion the other day with some of my peers and they were very keen on the fact the it is possible to change your orbit as desired using a single thruster and a three reaction wheels. The ...
John's user avatar
  • 1,377
3 votes
1 answer
421 views

How are Voyager's 16 thrusters oriented? Table that enumerates them and specifies directions quantitatively

Question: How are Voyager's 16 thrusters oriented? UPDATE: Per the 2nd half of my comment below: ...Since there was no activity here I decided to add the bounty to get this wrapped up. There are 16 ...
uhoh's user avatar
  • 149k
4 votes
1 answer
144 views

What will (or did) end of mission look like for the MarCo cubesats?

These two 6U's are the farthest cubsats from Earth. Are they still talking to us and being talked to? With loss of remaining propellant for momentum unloading needed for high-gain antenna pointing ...
uhoh's user avatar
  • 149k

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